CMake Nightly Date Stamp
Set the Qt4_FOUND variable if Qt4 is found.
Merge topic 'set-Qt4_FOUND' into next

60dccac Set the Qt4_FOUND variable if Qt4 is found.
03b0cee CMake Nightly Date Stamp
Set the INTERFACE_QT_MAJOR_VERSION for Qt4::QtCore

With a similar commit in Qt 5, this will error at CMake time if
an attempt is made to use

 target_link_libraries(foo Qt4::QtCore Qt5::Core)
Merge topic 'set-QT_MAJOR_VERSION' into next

3393a2d Set the INTERFACE_QT_MAJOR_VERSION for Qt4::QtCore